@article{Winkler-Dworak2004,
author = {Winkler-Dworak, M. and Engelhardt, H.},
title= {On the tempo and quantum of first marriages in Austria, Germany, and Switzerland: Changes in mean age and variance},
year = {2004},
doi = {10.4054/DemRes.2004.10.9},
volume = {10},
number = {9},
pages = {231--264},
}